Orion System Dual Electronic Expansion Valve Module - Manual (Page 3)

Technical Guide
Dual Electronic Expansion Valve Module
3
Overview
The OE377-26-00057 Dual Electronic Expansion Valve (EXV) Module
(AAON Part #30916) provides control of two electronic expansion
valves to maintain the superheat in the cooling circuits of the HVAC
unit. The module is designed only for R410-A refrigerant.
The EXV Module is used in stand-alone applications only.
General Information
Figure 1: OE377-26-00057 Dual Electronic Expansion Valve Module
GND
SERIAL #
DRIVING
BLACK
WHITE
RED
GREEN
SIG A
SIG B
+5V
+5V
GND
GND
VALVEA
VALVEB
COILTEMP A
COILTEMP B
GND
GND
D8
D7
D6
D5
C2
14
D1
D3
J1
R41
TB2
TB3
TB4
TB6
C31
MADE IN USA
YS102468 REV 3
RLYB
RLYA
COMMON
STATUS
ALARM
COMM
POWER
VALVE A DRIVE
DRIVING
BLACK
WHITE
RED
GREEN
TB1
TB7
.1 uF
VALVE B DRIVE
WATTMASTER CONTROLS
.1uF
GND
SERIAL #
DRIVING
BLACK
WHITE
RED
GREEN
SIG A
SIG B
+5V
+5V
GND
GND
VALVEA
VALVEB
COILTEMP A
COILTEMP B
GND
GND
D8
D7
D6
D5
C2
14
D1
D3
J1
R41
TB2
TB3
TB4
TB6
C31
MADE IN USA
YS102468 REV 3
RLYB
RLYA
COMMON
STATUS
ALARM
COMM
POWER
VALVE A DRIVE
DRIVING
BLACK
WHITE
RED
GREEN
TB1
TB7
.1 uF
VALVE B DRIVE
WATTMASTER CONTROLS
.1uF